computer audio

Hi I'm looking for a stereo amp to connect directly to my computer via USB. I've been looking at the Cambridge Audio CXA61. It has built in USB + DAC, and motorised volume knob. What I'd like to understand is whether on these (or other) amps when the volume on the PC is adjusted, does this...

With release of NA-11S1 Marantz supplied a White Paper on Computer Audio, here's link to an updated version: https://www.us.marantz.com/-/media/Files/DocumentMaster/MarantzNA/US/Marantz_DAC_White_Paper_4_5_2016.pdf Well, rather than paying for JRiver or Audirvana, I searched to see if there are...